Constructing method of large equipment mounting pit foundation

A large-scale equipment and construction technology, applied in construction, excavation, infrastructure engineering and other directions, can solve the problems of inconvenient equipment disassembly, prone to landslide safety accidents, and heavy workload of earthwork, so as to avoid landslide accidents, small workload, The effect of less earthwork

Inactive Publication Date: 2015-04-08
JIANGSU HUAWEI MACHINERY MFG
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Problems solved by technology

[0002] At present, the known construction method of the pit foundation required for the installation and fixing of large-scale equipment is to excavate a large-scale deep pit several times larger than the equipment installation space at the place where the installation is designed, and then build and install the foundation in the pit. The pit dug is too large, the earthwork is too much and the workload is heavy, and what is more serious is that landslides are prone to cause safety accidents, and it is inconvenient to disassemble the equipment in the future

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  • Constructing method of large equipment mounting pit foundation

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Embodiment Construction

[0009] exist figure 1 In the middle, excavate an egg-shaped shallow pit on the ground 1, and then use steel mold prefabricated concrete to build the negative layer of egg-shaped pit wall 2, and continue to excavate the second layer of egg-shaped pit wall 2 in the negative layer of egg-shaped pit wall. shallow pit, and then use steel mold prefabricated concrete to construct the egg-shaped pit wall 3 on the negative second floor; Negative three-layer egg-shaped pit wall 4, continue to excavate the fourth layer of egg-shaped shallow pit downwards in the negative three-layer egg-shaped pit wall 4, and then use steel mold prefabricated concrete to form negative four-layer egg-shaped pit wall 5, continue to Excavate the fifth egg-shaped shallow pit downwards in the negative four-story egg-shaped pit wall 5, and then use steel molds to precast concrete to form a negative five-story egg-shaped pit wall 6, and pour reinforced concrete in the negative five-story egg-shaped pit wall 6 F...

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Abstract

The invention relates to a constructing method of a large equipment mounting pit foundation. The method includes: designing an egg-shaped pit opening to prevent earth collapse, building a reinforcing steel bar wall to stop earth collapse, constructing downwardly layer by layer in a multilayer trapezoid manner, pouring a reinforced concrete foundation when the required depth is reached, and prefabricating fixing screw piles in the reinforced concrete foundation. The method has the advantages that earth collapse can be prevented effectively, equipment needs not be buried in earth by filling due to the fact that a reinforced concrete pit chamber is egg-shaped, and a pit cover matched with the shape of the pit opening can be disposed at the pit opening to facilitate equipment demounting later; the excavated pit is small, earth is little and work load is small, and collapse accidents are avoided.

Description

technical field [0001] The invention relates to a construction method of a pit foundation required for installation and fixing of large-scale equipment, in particular to a construction method of an egg-shaped pit foundation. Background technique [0002] At present, the known construction method of the pit foundation required for the installation and fixing of large-scale equipment is to excavate a large deep pit several times larger than the equipment installation space at the place where the installation is designed, and then build and install the foundation in the pit. The defect of this method is that the The pit dug is too large, the earthwork is too much and the workload is heavy. What is more serious is that landslides are prone to cause safety accidents, and it is inconvenient to disassemble the equipment in the future. Contents of the invention [0003] In order to overcome the defects and deficiencies of the existing pit foundation construction methods required f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/02E02D17/04
CPCE02D17/02E02D17/04
Inventor 张连华黄同翠姜涛
Owner JIANGSU HUAWEI MACHINERY MFG
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